For a One-Tailed Hypothesis Test,the Critical Z-Value of the Test

question 69

Multiple Choice

For a one-tailed hypothesis test,the critical z-value of the test statistic is −2.33. Which of the following is true about the hypothesis test?

• A)α = 0.05 for a lower-tailed test
• B)α = 0.01 for a lower-tailed test
• C)α = 0.05 for an upper-tailed test
• D)α = 0.01 for an upper-tailed test

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An electromagnetic wave with a wavelength shorter than that of a normal radio wave but longer than those of infrared radiation, commonly used in microwave ovens and communication technologies.